Battery charger



FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left elevational view thereof; and,

FIG. 7 is a right elevational view thereof.

The broken line showing in FIG. 1 is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.

The appearance of the elements at the bottom of the battery cavities as seen from any other perspective than the one shown in FIG. 4 is not part of the claimed design. 

The ornamental design for a battery charger, as shown and described. 